
Some third party text-to-speech related websites supply smaller repacked Microsoft Anna installers for Windows XP users. The Microsoft Streets & Trips 2006 and later versions install the voice and the new Microsoft SAPI onto Windows XP computers for the voice-prompt direction feature. The only way to use this fantastic voice on Windows XP is by the Microsoft Streets & Trips. So you cannot use it on Windows XP directly and also there is no standalone installer of this voice on the Microsoft website. This excellent female voice is base on the new Microsoft SAPI 5.3/5.4. Microsoft Anna is a SAPI 5-only voice and is designed to sound more natural than the previous system default voice Microsoft Sam. Microsoft Anna is the default English voice shipped with Windows Vista and Windows 7. Generally, the higher SAPI version, the better quality. They can be installed and used on Windows 98 and all the later Windows operating systems. As an exception, the SAPI 5 versions of these voices cannot be installed on Windows Vista and Windows 7. SAPI 5 voices are only available on Windows 2000 and later Windows NT-based operating systems. The most noticeable feature of these three voices is there are both SAPI 4 and SAPI 5 versions of them. Microsoft Mike and Microsoft Mary are optional male and female voices respectively with better quality, available for download from the Microsoft website or other third party text-to-speech related websites. Here is a list of text-to-speech voices available on the Internet. Most of these voices are better than the default voice on your system. Fortunately, there are many voices available on the Internet today, such as Microsoft additional voices, Lernout & Hauspie TruVoice and TTS3000 voices, AT&T Natural Voices, Cepstral voices, IVONA voices, etc. Actually, you need to install more high-quality voices. However, the default voices shipped with operating systems, for example, Microsoft Sam on Windows XP, are not very natural-sounding.

Because text-to-speech software must invoke voices to synthetic speech.

speech engines, are the soul of text-to-speech software. As an important component of the text-to-speech technology, voices, i.e. Nowadays, more and more people use text-to-speech software to improve their reading efficiency and save time.

How to Avoid Robotic Voice Text to Speech Synthesis
